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dc.contributor.author
Colla, Maria Florencia
dc.contributor.author
Lencina, Agustina Inés
dc.contributor.author
Farias, Maria Eugenia
dc.date.available
2023-04-28T19:56:44Z
dc.date.issued
2022-02
dc.identifier.citation
Colla, Maria Florencia; Lencina, Agustina Inés; Farias, Maria Eugenia; Diatom and Invertebrate Assemblages in High Altitude Saline Wetlands of the Argentinian Puna and their Relation to Environmental Factors; Academia Brasileira de Ciencias; Anais da Academia Brasileira de Ciencias; 94; 1; 2-2022; 1-24
dc.identifier.issn
0001-3765
dc.identifier.uri
http://hdl.handle.net/11336/195884
dc.description.abstract
Aquatic biota in high altitude Andean wetlands is exposed to extreme environmental conditions that influence ecological parameters at population and community levels. We analyzed changes in occurrence, taxa richness and relative abundance of diatom and invertebrate assemblages in four saline wetlands located at the same altitude (approx. 3,330 masl), in the Salar de Antofalla (Catamarca, Argentina). Biological samples were taken seasonally during a 1-year period, together with water variables, which were used in ordination techniques to characterize the sites. Water ionic content and biological variables, such as microcrustacean abundance and diatom richness, were evaluated as possible factors affecting the assemblages’ distribution. The wetlands ranged from meso- to hyperhaline habitats and showed distinctive morphological, physical and chemical characteristics. Diatoms (42 taxa) and invertebrates (15 taxa) were collected from all sites, and diatom taxa richness was negatively correlated with water conductivity. According to multivariate analysis, the distribution of both communities was significantly explained by water hardness, whereas copepod abundance also influenced the diatom flora. We conclude that, at the same altitude and, consequently, UV radiation exposure, variables related to ionic content and/or biological parameters of the aquatic habitat may act as determinants of the biota distribution in these extreme environments.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Academia Brasileira de Ciencias
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by/2.5/ar/
dc.subject
BIODIVERSITY
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CENTRAL ANDES
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EXTREMOPHILES
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LIMNOLOGY
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SALAR DE ANTOFALLA
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Biología Marina, Limnología
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
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Ecología
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Ciencias Biológicas
dc.subject.classification
CIENCIAS NATURALES Y EXACTAS
dc.title
Diatom and Invertebrate Assemblages in High Altitude Saline Wetlands of the Argentinian Puna and their Relation to Environmental Factors
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2023-04-27T18:26:26Z
dc.identifier.eissn
1678-2690
dc.journal.volume
94
dc.journal.number
1
dc.journal.pagination
1-24
dc.journal.pais
Brasil
dc.journal.ciudad
Río de Janeiro
dc.description.fil
Fil: Colla, Maria Florencia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Catamarca. Universidad Nacional de Catamarca. Centro de Investigaciones y Transferencia de Catamarca; Argentina
dc.description.fil
Fil: Lencina, Agustina Inés. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro de Investigaciones y Transferencia de Catamarca. Universidad Nacional de Catamarca. Centro de Investigaciones y Transferencia de Catamarca; Argentina
dc.description.fil
Fil: Farias, Maria Eugenia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán. Planta Piloto de Procesos Industriales Microbiológicos; Argentina
dc.journal.title
Anais da Academia Brasileira de Ciencias
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.scielo.br/j/aabc/a/HS44JTKVTXVCRvHz9ZSWzmp/?lang=en
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1590/0001-3765202220200070
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